Thrashing machine



R. H. OWEN.

THRASHING MACHINE.

APPLICATIGN FILED JULY 23, I920.

I Patented Jan. 3, 192 2.

4 SHEETS-SHEET I.

mum/r012 H.0Wen.

A TTORNEYS R.'H.0W-E-N.

THRASHINGMACHINE- APPLICATION FILED JULY 23, 1920.

Patented Jan. 3, 1922.

4 SHEETS-SHEET 2 A TTORNEYS R. H. OWEN.

THRASHING MACHINE. APPLICATION man JULY 23,1920.

1,402,534. Patented Jan. 3,1922.

4 SHEETS-SHEET 3.

Robert. H. Owen,

WI T/VESSES R. H. OWEN.

THRASHING MACHINE.

APPLICATION FlLED JULY 23. I920.

1,402,534, Patented Jan.- 3,1922.

- 4 SHEETSSHEET 4.

INVENTOI? Poberl H.OW'I 55 A TTORNEYS WITNESSES which unites star;

9 ROBERT 11. Owen, ornu'r'rn, MONTANA.

a nnnsnme-mnonmn a incense.

To all ii /tom it may concern:

Be it known that I, Bonner H. OWEN, a

"citizen of the United States, and a resident of Butte, in the vcounty of Silverbow and State of Montana, have invented certain new and useful Improvements in ThrashingMachines, of which the following is a specification.

This application is a division of the application Serial No. 322,7 96, filed September 10,

invention consists in certain novel features of construction, arrangement, and combineti'on of parts as wlll be hereafter fully described and pointed out in the drawlngs 1n l igure 1, is a view in elevation of one side ofthe thrashing machine.

Figure 2 is central vertical section through the same. i

Figure 3 is a plan View ofthe concaves showing all of them in active position.

Figure 4 is a similar view with one concave in the inactive position. Figure 5, is a planview :of the thrashing cylinder. f Figure 6=is-a side elevation of the thrashing mechanism, showing the means to adjust the concaves. a r

Figure 7 is-a side elevation ofthe support for the concave sections.

Figure 8 is an elevation of the innerside thereof, the concave sections being in section. In the'drawings, wherein for the. purpose of illustration is shown a preferred embodiment of my invention, the numeral 20 desig ward end of the casing 28. This thrashing mechanism includes a rotatable. drum 7 6 carless inactive.

Specification of Letters Patent. f Patented an, 3,, 1922,

Original application filed September 10, 1919, Serial No. 822,796.

1 my 23, 1920. Serial No. 398,444.

Divided and this application filed ried on a shaft 7 7 journaled in suitable journal boxes on bearings 78, said shaft being provided at one end with a pulley 79 as clearly shown in Figure 1.

The drum 76 is provided with teethSOaS shown, andarranged beneath the drum is a concave 81 formed in sections 82, 83 and 84s.

more clearly SllOWIIlIl Figur 8, the concave sections are L-shaped in, cross section and provided upon corresponding faces with teeth 82 which have. shanks extending through openings in the concave section, and

held therein by suitable means. The other faces of the concave sections do not carry teeth. The ends of the concave sections 82 and 83 are provided with spaced slots 87 for receiving certain of the teeth when the sec- ,tions 83 and 84 areswung to the left, in Figure 8. The teeth 82 coact with the teeth 80 of the drum (6 to thrash the grain and it is obvious that the action will be increased or concave sections are made adjustable.

The concave sections are rigidly secured to transverse shafts 88 pivoted within elongated slots 89, in vertically adjustable supporting elements, such as segments 90. The shafts 88 are provided with gears 91, rigidly secured to their opposite ends, and these gears engage .wlth curved tracks or racks 92,

rigidlysecured to the outerfaces of the seg: ments or supports90. Corresponding ends detachableconnection with cranks 93, em-

. ployed for turning the shaft 88, and adapted .of the shafts 88 are preferably flattened for to engage 'abutments 9a which limit the swinging movement of said cranks. When said cranks 93 are 1n their upper positicn,

the teeth 82 are upright, and when the cranks 93 are swung to a more or less horizontal position, the teeth 82 are more or the supporting elements or A hand crank 100 is rigidly secured to this shaft 99, by which it may be turned, and is equipped with. teeth 101 to be engaged by. a pawl 102, whereby it may be held in adjust.

able position.

The drum 7 6 is rotated in the direction of the arrow, as in Figure 2, and discharges the thrashed grain and straw through opening 103, formed by plates 104i and 105. As shown in Figure 4 the plate 105 is provided with slots 106 for the reception of the teeth Member 105 is the forward end next to concave of the separating grate back of cylinder. The circular openings 105 in the part 105 are for the purpose to allowinore separating grate and are there to allow the grain to fall through. The member 105 constitutes in effect a separating grate, or a stationary concave, said plate 105 is carried by an open stationary, supporting frame 10?, arranged over the rear raclr or table 26 "of grain separator, and is adaptedv to dis- The charge the straw upon said rack.

straw, with the heads of grain is fed into a hopper 108 and then enters the thrashing mechanism 7 5, the thrashed grain which passes through the concave being collected upon the table 30.

While the thrashed straw is discharging over the open support it is acted upon by a rotatable agitator or heater 109, rigidly secured to a transverse shaft 110, journaled through suitable bearings carried by the framework 20, the. shaft 110 being provided at one end with a pulley to drive it.

The shaft 116 may beconsidered a power shaft and carries a pulley 119,.- to be driven by a belt extending from an engine orother motor. This shaft is driven in the direction of its arrow. I

Theshaft llficarries a pulley 119 engaged by a belt 121 which engages a pulley 7 9 on shaft 77, and also an idler 122. The lower run of the belt 121 is crossed and engages the pulley 58, which drives the conveyor and a fan within the casing.

The operation of the machine is as follows:

Straw with the grain thereon is fed into hopper 108 and enters the thrashing mechanism 75,'wherein the same is thrashed. A portion of the thrashed grain may fall through the concaves and be collected on tray 80 a portion of which is indicated in Figure 1. The grain after leaving the thrashing cylinder is susceptible of treatment in a thrasher of any-approved construction.

I claim?- l. Ina machine of the character specified, l' r athrashing mechanism' comprising a plurality of concave sections, each section 1neluding sides arranged atan angle withrelation to each other, a plurality of teeth carried by one side of each section, the other side without teeth, vertically adjustable supporting-means for said sections, means for slidably and pivotally connecting said sections with said supporting means, whereby said sections may be adjusted and turned upon their longitudinal axes, means for so turning said sections, means for vertically moving said supporting means; and a toothed rotatable drum disposed above the said concave sections. i

2. Ina machine of character specified, a thrashing mechanism including a plurality of concave sections, each section including angularly disposed sides, a plurality of teeth carried by one side of each section, the

other side being without teeth, shafts extending through said sections and rigidly secured thereto, to turn the sections upon their longitudinal axis, supporting elements having elongated horizontally disposed slots, said shafts mounted in said slots, means for turning said shafts, pinions on the opposite ends of said shafts, arcuate racks carried bysaid supporting elements,

carried by the shafts, arcuate racks secured to the outer faces of said pivotally mounted supporting plates, and engaging said gears, means for'turning said shafts, means-for swinging the supporting plates whereby they will maintain concentricity with the thrashing drum, and a rotatable drum disposed abovesaid sections.

ROBT. H. OWEN.

toothed '110 j 

